walkviews.html

来自「java类库详细讲解」· HTML 代码 · 共 197 行

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<TITLE>Enumerating All the Views in a JTextComponent
(Java Developers Almanac Example)
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  <h3>
    e977.  
    Enumerating All the Views in a JTextComponent</h3>



<pre>
    // Create a text component
    JTextComponent textComp = new <font color="#0066ff"><i>JTextPane()</i></font>;
    // Get the root view
    View v = textComp.getUI().getRootView(textComp);
    
    // Walk the view hierarchy
    walkView(v, 0);
    // Recursively walks a view hierarchy
    public void walkView(View view, int level) {
        // Process view
    
        // Get number of children views
        int n = view.getViewCount();
    
        // Visit the children of this view
        for (int i=0; i&lt;n; i++) {
            walkView(view.getView(i), level+1);
         }
    }
</pre>
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            &nbsp;Related Examples
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e967. <a class="eglink" href="GetText.html?l=rel">
    Retrieving Text from a JTextComponent
</a>
<br>

e968. <a class="eglink" href="PartialSeg.html?l=rel">
    Retrieving All the Text from a JTextComponent Efficiently
</a>
<br>

e969. <a class="eglink" href="EditTextField.html?l=rel">
    Modifying Text in a JTextComponent
</a>
<br>

e970. <a class="eglink" href="ConcurReadText.html?l=rel">
    Asynchronously Reading the Contents of a Visible JTextComponent
</a>
<br>

e971. <a class="eglink" href="FindWord.html?l=rel">
    Finding Word Boundaries in a JTextComponent
</a>
<br>

e972. <a class="eglink" href="GetWrappedLines.html?l=rel">
    Retrieving the Visible Lines in a JTextComponent
</a>
<br>

e973. <a class="eglink" href="Pos.html?l=rel">
    Using a Position in a JTextComponent
</a>
<br>

e974. <a class="eglink" href="LimitText.html?l=rel">
    Limiting the Capacity of a JTextComponent
</a>
<br>

e975. <a class="eglink" href="DragEnabledTextArea.html?l=rel">
    Enabling Text-Dragging on a JTextComponent
</a>
<br>

e976. <a class="eglink" href="ShareDoc.html?l=rel">
    Sharing a Document Between JTextComponents
</a>
<br>


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        See also: 
<a class="eglink" href="/egs/javax.swing.text/pkg.html?l=rel#Actions%20and%20Key%20Bindings">
    Actions and Key Bindings
</a>&nbsp;&nbsp;

<a class="eglink" href="/egs/javax.swing.text/pkg.html?l=rel#Caret%20and%20Selection">
    Caret and Selection
</a>&nbsp;&nbsp;

<a class="eglink" href="/egs/javax.swing.text/pkg.html?l=rel#Events">
    Events
</a>&nbsp;&nbsp;

<a class="eglink" href="/egs/javax.swing.text/pkg.html?l=rel#JEditorPane">
    JEditorPane
</a>&nbsp;&nbsp;

<a class="eglink" href="/egs/javax.swing.text/pkg.html?l=rel#JFormattedTextField">
    JFormattedTextField
</a>&nbsp;&nbsp;

<a class="eglink" href="/egs/javax.swing.text/pkg.html?l=rel#JTextArea">
    JTextArea
</a>&nbsp;&nbsp;

<a class="eglink" href="/egs/javax.swing.text/pkg.html?l=rel#JTextField">
    JTextField
</a>&nbsp;&nbsp;

<a class="eglink" href="/egs/javax.swing.text/pkg.html?l=rel#JTextPane">
    JTextPane
</a>&nbsp;&nbsp;

<a class="eglink" href="/egs/javax.swing.text/pkg.html?l=rel#Styles">
    Styles
</a>&nbsp;&nbsp;

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